Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net income	$ 318	$ 202
Less: loss from discontinued operations	0	(22)
Income from continuing operations	318	224
Adjustments to reconcile to net cash provided by operating activities:
Depreciation, decommissioning and amortization	485	432
Allowance for equity during construction	(21)	(13)
Impairment and other charges	0	231
Deferred income taxes and investment tax credits	72	(6)
Other	5	4
Changes in operating assets and liabilities:
Receivables	31	112
Inventory	(10)	(12)
Accounts payable	63	(63)
Prepaid and accrued taxes	38	65
Other current assets and liabilities	(229)	(145)
Derivative assets and liabilities, net	(10)	(46)
Regulatory assets and liabilities, net	193	(331)
Nuclear decommissioning trusts	29	96
Other noncurrent assets and liabilities	0	17
Net cash provided by operating activities	964	565
Cash flows from financing activities:
Long-term debt issued, net of premium, discount, and issuance costs of $13 and $1 at respective dates (Edison International) and $13 for the period ending March 31, 2015 (Southern California Edison)	1,287	(1)
Long-term debt matured or repurchased	(419)	(2)
Preference stock issued, net	0	270
Short-term debt financing, net	(355)	401
Cash contribution from redeemable noncontrolling interest	6	0
Dividends to noncontrolling interests	(34)	(30)
Dividends paid	(136)	(116)
Other	(36)	(42)
Net cash provided by financing activities	313	480
Cash flows from investing activities:
Capital expenditures	(1,268)	(940)
Proceeds from sale of nuclear decommissioning trust investments	2,853	1,502
Purchases of nuclear decommissioning trust investments	(2,889)	(1,603)
Other	10	(1)
Net cash used in investing activities	(1,294)	(1,042)
Net (decrease) increase in cash and cash equivalents	(17)	3
Cash and cash equivalents at beginning of period	132	146
Cash and cash equivalents at end of period	115	149
Southern California Edison
Cash flows from operating activities:
Net income	333	234
Income from continuing operations	333	234
Adjustments to reconcile to net cash provided by operating activities:
Depreciation, decommissioning and amortization	483	432
Allowance for equity during construction	(21)	(13)
Impairment and other charges	0	231
Deferred income taxes and investment tax credits	67	(12)
Other	3	3
Changes in operating assets and liabilities:
Receivables	18	111
Inventory	(7)	(7)
Accounts payable	52	(55)
Prepaid and accrued taxes	43	54
Other current assets and liabilities	(205)	(134)
Derivative assets and liabilities, net	(10)	(46)
Regulatory assets and liabilities, net	193	(331)
Nuclear decommissioning trusts	29	96
Other noncurrent assets and liabilities	(12)	25
Net cash provided by operating activities	966	588
Cash flows from financing activities:
Long-term debt issued, net of premium, discount, and issuance costs of $13 and $1 at respective dates (Edison International) and $13 for the period ending March 31, 2015 (Southern California Edison)	1,287	0
Long-term debt matured or repurchased	(419)	(2)
Preference stock issued, net	0	270
Short-term debt financing, net	(370)	229
Dividends paid	(181)	(30)
Other	3	(22)
Net cash provided by financing activities	320	445
Cash flows from investing activities:
Capital expenditures	(1,266)	(939)
Proceeds from sale of nuclear decommissioning trust investments	2,853	1,502
Purchases of nuclear decommissioning trust investments	(2,889)	(1,603)
Other	14	(1)
Net cash used in investing activities	(1,288)	(1,041)
Net (decrease) increase in cash and cash equivalents	(2)	(8)
Cash and cash equivalents at beginning of period	38	54
Cash and cash equivalents at end of period	$ 36	$ 46